version 1.7, 2017/06/04 22:44:15 |
version 1.14, 2017/06/24 14:38:33 |
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#include <assert.h> |
#include <assert.h> |
#include <stddef.h> |
#include <stddef.h> |
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#include "mandoc.h" |
#include "roff.h" |
#include "roff.h" |
#include "out.h" |
#include "out.h" |
#include "term.h" |
#include "term.h" |
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typedef void (*roff_term_pre_fp)(ROFF_TERM_ARGS); |
typedef void (*roff_term_pre_fp)(ROFF_TERM_ARGS); |
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static void roff_term_pre_br(ROFF_TERM_ARGS); |
static void roff_term_pre_br(ROFF_TERM_ARGS); |
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static void roff_term_pre_ce(ROFF_TERM_ARGS); |
static void roff_term_pre_ft(ROFF_TERM_ARGS); |
static void roff_term_pre_ft(ROFF_TERM_ARGS); |
static void roff_term_pre_ll(ROFF_TERM_ARGS); |
static void roff_term_pre_ll(ROFF_TERM_ARGS); |
static void roff_term_pre_mc(ROFF_TERM_ARGS); |
static void roff_term_pre_mc(ROFF_TERM_ARGS); |
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static void roff_term_pre_po(ROFF_TERM_ARGS); |
static void roff_term_pre_sp(ROFF_TERM_ARGS); |
static void roff_term_pre_sp(ROFF_TERM_ARGS); |
static void roff_term_pre_ta(ROFF_TERM_ARGS); |
static void roff_term_pre_ta(ROFF_TERM_ARGS); |
static void roff_term_pre_ti(ROFF_TERM_ARGS); |
static void roff_term_pre_ti(ROFF_TERM_ARGS); |
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static const roff_term_pre_fp roff_term_pre_acts[ROFF_MAX] = { |
static const roff_term_pre_fp roff_term_pre_acts[ROFF_MAX] = { |
roff_term_pre_br, /* br */ |
roff_term_pre_br, /* br */ |
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roff_term_pre_ce, /* ce */ |
roff_term_pre_ft, /* ft */ |
roff_term_pre_ft, /* ft */ |
roff_term_pre_ll, /* ll */ |
roff_term_pre_ll, /* ll */ |
roff_term_pre_mc, /* mc */ |
roff_term_pre_mc, /* mc */ |
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roff_term_pre_po, /* po */ |
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roff_term_pre_ce, /* rj */ |
roff_term_pre_sp, /* sp */ |
roff_term_pre_sp, /* sp */ |
roff_term_pre_ta, /* ta */ |
roff_term_pre_ta, /* ta */ |
roff_term_pre_ti, /* ti */ |
roff_term_pre_ti, /* ti */ |
Line 58 roff_term_pre_br(ROFF_TERM_ARGS) |
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Line 64 roff_term_pre_br(ROFF_TERM_ARGS) |
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{ |
{ |
term_newln(p); |
term_newln(p); |
if (p->flags & TERMP_BRIND) { |
if (p->flags & TERMP_BRIND) { |
p->offset = p->rmargin; |
p->tcol->offset = p->tcol->rmargin; |
p->rmargin = p->maxrmargin; |
p->tcol->rmargin = p->maxrmargin; |
p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND); |
p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND); |
} |
} |
} |
} |
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static void |
static void |
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roff_term_pre_ce(ROFF_TERM_ARGS) |
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{ |
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const struct roff_node *nc1, *nc2; |
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size_t len, lm; |
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roff_term_pre_br(p, n); |
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lm = p->tcol->offset; |
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nc1 = n->child->next; |
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while (nc1 != NULL) { |
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nc2 = nc1; |
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len = 0; |
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do { |
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if (nc2->type == ROFFT_TEXT) { |
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if (len) |
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len++; |
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len += term_strlen(p, nc2->string); |
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} |
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nc2 = nc2->next; |
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} while (nc2 != NULL && (nc2->type != ROFFT_TEXT || |
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(nc2->flags & NODE_LINE) == 0)); |
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p->tcol->offset = len >= p->tcol->rmargin ? 0 : |
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lm + len >= p->tcol->rmargin ? p->tcol->rmargin - len : |
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n->tok == ROFF_rj ? p->tcol->rmargin - len : |
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(lm + p->tcol->rmargin - len) / 2; |
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while (nc1 != nc2) { |
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if (nc1->type == ROFFT_TEXT) |
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term_word(p, nc1->string); |
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else |
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roff_term_pre(p, nc1); |
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nc1 = nc1->next; |
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} |
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p->flags |= TERMP_NOSPACE; |
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term_flushln(p); |
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} |
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p->tcol->offset = lm; |
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} |
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static void |
roff_term_pre_ft(ROFF_TERM_ARGS) |
roff_term_pre_ft(ROFF_TERM_ARGS) |
{ |
{ |
switch (*n->child->string) { |
switch (*n->child->string) { |
Line 112 roff_term_pre_mc(ROFF_TERM_ARGS) |
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Line 156 roff_term_pre_mc(ROFF_TERM_ARGS) |
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} |
} |
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static void |
static void |
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roff_term_pre_po(ROFF_TERM_ARGS) |
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{ |
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struct roffsu su; |
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static int po, polast; |
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int ponew; |
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if (n->child != NULL && |
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a2roffsu(n->child->string, &su, SCALE_EM) != NULL) { |
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ponew = term_hen(p, &su); |
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if (*n->child->string == '+' || |
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*n->child->string == '-') |
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ponew += po; |
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} else |
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ponew = polast; |
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polast = po; |
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po = ponew; |
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ponew = po - polast + (int)p->tcol->offset; |
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p->tcol->offset = ponew > 0 ? ponew : 0; |
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} |
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static void |
roff_term_pre_sp(ROFF_TERM_ARGS) |
roff_term_pre_sp(ROFF_TERM_ARGS) |
{ |
{ |
struct roffsu su; |
struct roffsu su; |
int len; |
int len; |
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if (n->child != NULL) { |
if (n->child != NULL) { |
if (a2roffsu(n->child->string, &su, SCALE_VS) == 0) |
if (a2roffsu(n->child->string, &su, SCALE_VS) == NULL) |
su.scale = 1.0; |
su.scale = 1.0; |
len = term_vspan(p, &su); |
len = term_vspan(p, &su); |
} else |
} else |
Line 162 roff_term_pre_ti(ROFF_TERM_ARGS) |
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Line 228 roff_term_pre_ti(ROFF_TERM_ARGS) |
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} else |
} else |
sign = 0; |
sign = 0; |
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if (a2roffsu(cp, &su, SCALE_EM) == 0) |
if (a2roffsu(cp, &su, SCALE_EM) == NULL) |
return; |
return; |
len = term_hspan(p, &su) / 24; |
len = term_hen(p, &su); |
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if (sign == 0) { |
if (sign == 0) { |
p->ti = len - p->offset; |
p->ti = len - p->tcol->offset; |
p->offset = len; |
p->tcol->offset = len; |
} else if (sign == 1) { |
} else if (sign == 1) { |
p->ti = len; |
p->ti = len; |
p->offset += len; |
p->tcol->offset += len; |
} else if ((size_t)len < p->offset) { |
} else if ((size_t)len < p->tcol->offset) { |
p->ti = -len; |
p->ti = -len; |
p->offset -= len; |
p->tcol->offset -= len; |
} else { |
} else { |
p->ti = -p->offset; |
p->ti = -p->tcol->offset; |
p->offset = 0; |
p->tcol->offset = 0; |
} |
} |
} |
} |